Bony Structures and Ribs

Question 1

Whats in the thoracic cage?

Answer 1

Clavicle (1st costal) and 2nd costal cartilage

Question 2

What numbers are the True Ribs?

Answer 2

1-7. Lies deep in clavicle

Question 3

What numbers are the False ribs?

Answer 3

8-10. Attached anteriorly only

Question 4

What numbers of the Free-floating ribs?

Answer 4

11-12. Only attach posteriorly

Question 5

Talk about the sternal angle

Answer 5

Acts like a hinge enabling movements and it ossifies with age. It is a synovial joints and bones are connected by hyaline cartilage

Question 6

Key facts: Sternocostal joints
Mention types, innervation and movements

Answer 6

Joint 1 primary cartilaginous joints (no movement) and joints 2-7 synovial planar joints (translation)
Innervation from intercostal nerve

Question 7

Key facts: Manubriosternal joints
Mention types and movements

Answer 7

Secondary cartilaginous joint (angulation and anteroposterior displacement)

Question 8

Key facts: Xiphisternal joints
Mention type and movements

Answer 8

Secondary cartilagionus joint and no movement

Question 9

Costovertebral Joints (type, innveration and movements)

Answer 9

Synoval plane joint, Lateral brances of the posterior rami of C8 - T11 spinal nerves and Intneral rotation and posteromedial translation

Question 10

Facet/Zygopophaseal Joint (type, innveration and movements)

Answer 10

Synovial plane joint, Lateral branches of the posterior rami of C8-T11 spinal nerves and restricted flexion and extensoin but allow for rotation movement

Question 11

Intervebral discs: (type, innveration and movements)

Answer 11

Secondary cartilaginous joint, Sinovertebral nerves, flexion, extension, lateral flexion and rotation

Question 12

What is Thoracis Outlet Syndrome (TOS)

Answer 12

Compression of neuro vasculature in the inlet. Pain, weakness, numbness, tingling, swelling, coldness in upper limb